footer{
    height: 520px;
    display: flex;
    position: relative;
    
}
.foot-l{
    position: absolute;
    top: 0;
    left: 0;
    z-index: 556;
    width: 260px;
    height: 500px;
    color: #fff;
    background-color: #b0b0b0;
    opacity: 0.9;
    padding: 10px 0;
}
.foot-l ul li{
    height: 50px;
    line-height: 50px;
    padding-left: 30px;
    cursor: pointer;
}
.foot-l ul li i{
    position: absolute;
    right: 20px;
    z-index: 444;
}
.foot-l>ul>li:hover{
    background: #ff6700;
}
.foot-l ul li:hover .fl-1{
    display: block;
}
.foot-l ul li .fl-1{
    display: none;
    position: absolute;
    top: 0px;
    left: 260px;
    z-index: 444;
    width: calc(1200px - 260px);
    height: 500px;
    box-shadow: 2px 2px 3px 2px #b0b0b0;
    background-color: #ffffff;
    color: #000;
}
.foot-l>ul>li .fl-1>ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.foot-l>ul>li .fl-1>ul li{
    width: 200px;
    height: 80px;
}


.foot-r{
    height: 520px;
}
.slide .carousel-inner .item img{
    height: 500px;
}